SYMPOSIA PAPER Published: 01 January 1983
STP37076S

Stress-Intensity Distributions for Natural Cracks Approaching Benchmark Crack Depths in Remote Uniform Tension

Source

A series of frozen stress photoelastic experiments on large flat plates containing surface cracks was conducted during which cracks were grown to depths approximating those prescribed as benchmark depths in uniform remote tension. Crack shapes and stress-intensity distributions were obtained and compared with analytical results. It was found that (1) cracks grown in uniform remote tension retain their semielliptic shape but exhibit nonself-similar flaw growth, (2) stress-intensity factor (SIF) distributions compare favorably with results from finite element models, and (3) benchmark geometries cannot be obtained from cracks grown under uniaxial loading.

Author Information

Smith, CW
Virginia Polytechnic Institute and State University, Blacksburg, Va.
Kirby, GC
Virginia Polytechnic Institute and State University, Blacksburg, Va.
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Details
Developed by Committee: E08
Pages: 269–280
DOI: 10.1520/STP37076S
ISBN-EB: 978-0-8031-4857-4
ISBN-13: 978-0-8031-0728-1